.active{
    color: #ff6650;
}
.nav-box{
    display: flex;
    background-color: #fff;
}
.nav-box a{
    display: flex;
    flex-direction: column;
    flex: 1;
    text-align: center;
    height: .45rem;
    margin-top: .1rem;
}
.iconfont{
    font-size: .22rem;
}